Cars and airplanes are both significant inventions in human civilization, and they influence our lives in different ways. Sometimes, people choose cars to go somewhere as a form of transportation. However, if people want to go somewhere far, they usually ride airplanes. These days, we often hear people say that the influence of cars far outweighs that of planes, for they are used more frequently. However, I believe this is a misunderstanding, for importance is not just a matter of the frequency of usage. There are some differences between cars and airplanes, such as convenience, time takes travel, and environment, but automobiles and jets complete each other by playing different yet indispensable parts …show more content…
As societal reliance and global economic dependence have grown together with the automobile industry, many significant problems have surfaced. Car and truck exhausts pollute the air in metropolitan areas around the world and thus create serious health problems. The continued use of fossil fuel engines and the scarcity of oil have led to much political strife and even war, particularly in the oil-rich region of the Middle East, which will cause water or air pollution. As the powerful automobile industry remains reluctant and has yet to successfully promote an engine type that does not rely on gasoline power, the problem of fossil fuel shortage will become even more serious. However, the airplane has limited impacts on the environment. Most airplanes use high quality gasoline. Some people have tried to use clean energy to replace gasoline in airplanes. For example, the United States and China will jointly establish a clean energy research center. They try to find some clean energy as airplane energy. With the rapid development of automobile industry, automobile exhaust pollution has aroused extensive attention. Exhaust emission of vehicles is one of the main sources that cause serious